Brakes – Vehicle – Ground-engaging
Reexamination Certificate
2009-06-16
2010-11-16
Schwartz, Christopher P (Department: 3657)
Brakes
Vehicle
Ground-engaging
C005S611000, C005S614000
Reexamination Certificate
active
07832528
ABSTRACT:
A brake mechanism is provided on one of four corners of a rectangular base of an operating table. Each brake mechanism has a cam fixed by a rotating shaft, an a hydraulic cylinder and a braking post. When braking, the hydraulic cylinder pushes the cam to rotate, and the cam abuts the braking post to press against the floor. Wheels on the base of the operating table depart upward a distance from the floor for braking. Detecting sheets are provided on the rotating shafts of two brake mechanisms which stand on the same sides. The detecting sheets match detectors to control action of the hydraulic cylinders.
REFERENCES:
patent: 3820176 (1974-06-01), Feiertag
patent: 4910816 (1990-03-01), Lansing
patent: 5220698 (1993-06-01), Hannant
patent: 5704601 (1998-01-01), Mangelsen et al.
patent: 2006/0026762 (2006-02-01), Hornbach et al.
Amtai Medical Equipment, Inc.
Lei Leong C.
Schwartz Christopher P
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